Tetanus: Causes, symptoms and prevention. What is tetanus? Tetanus is a serious infection caused by bacteria getting into the body through a wound, such as a cut, bite or burn. Tetanus is caused by Clostridium tetani bacterium, which is found in soil, dust and animal and human waste faeces.
Try this first for Adblock Plus icon disappearing. User Help for Mozilla Firefox. 1 post â¢ Page 1 of 1. I suddenly stated seeing pop-ups after my laptop crashed and then notice my little Adblock plus icon disappeared from down at the bottom of my browser above the system tray.
Newer versions of Firefox: 1  Open Mozilla Firefox. 2  Click the orange Firefox button in the top left corner or click the Tools menu option. 3  Click Options. 4  Click on the Content option in the Options window. 5  By default, the Block pop-up windows option should be checked.